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Question 26 :

What is formal parameter list ?

Answer :

The parameters specified in the definition of a particular method. See also actual parameter list.


Question 27 :

What is garbage collection ?

Answer :

The automatic detection and freeing of memory that is no longer in use. The Java runtime system performs garbage collection so that programmers never explicitly free objects.


Question 28 :

What is generic ?

Answer :

A class, interface, or method that declares one or more type variables. These type variables are known as type parameters. A generic declaration defines a set of parameterized types, one for each possible invocation of the type parameter section. At runtime, all of these parameterized types share the same class, interface, or method.


Question 29 :

What is goto ?

Answer :

This is a reserved Java keyword. However, it is not used by current versions of the Java programming language.


Question 30 :

What is GUI ?

Answer :

Graphical User Interface. Refers to the techniques involved in using graphics, along with a keyboard and a mouse, to provide an easy-to-use interface to some program.